Finding the Fourth Proportional to 10,321,819.68, 14,243,553.36 and 5,737,815.84
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Solution
The fourth proportional to 10,321,819.68, 14,243,553.36 and 5,737,815.84 is: 7,917,875.78
Step by Step Solution
- Step 1: Write the proportion equation
10,321,819.68 : 14,243,553.36 = 5,737,815.84 : x - Step 2: Convert to fraction form
10,321,819.68/14,243,553.36 = 5,737,815.84/x - Step 3: Cross multiply
10,321,819.68x = 14,243,553.36 × 5,737,815.84 - Step 4: Simplify right side
10,321,819.68x = 81,726,886,086,893.22 - Step 5: Solve for x
x = 81,726,886,086,893.22/10,321,819.68 - Step 6: Final answer
x = 7,917,875.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.